The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
Rule 110 in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 720th nstearns96 🇬🇧 519 132 342ms 10 Jan 2023 722nd aksyristos 519 154 7ms 30 Jan 2023 723rd annaproxy 519 156 351ms 22 Jun 2023 724th Salutations45 517 140 10ms 30 Dec 2024 725th retrohun 517 188 74ms 28 Dec 2022 726th janbehrens 🇩🇪 516 155 6ms 25 Oct 2021 727th hemphen 516 157 346ms 29 Aug 2022 728th OllieBoyne 🇬🇧 515 133 12ms 2 Jan 2021 729th retrohun 514 106 10ms 1 Jan 2023 730th Mabeloid 🇳🇴 513 128 515ms 22 Sep 2024 730th Babafaba 513 128 558ms 26 Oct 2025 732nd madex 🇩🇪 513 156 6ms 16 Jan 2021 733rd revlayle 🇺🇸 512 158 345ms 28 Dec 2021 734th fynnkroeger 511 134 13ms 4 Jan 2023 734th HumanoidCPU 511 134 16ms 17 Feb 2025 736th KatieLG 🇬🇧 511 211 108ms 15 Jan 2023 737th Shanethegamer 🇺🇸 510 207 55ms 20 Oct 2024 738th alemelis 509 123 299ms 29 Sep 2024 739th boxjelly 509 157 6ms 17 Feb 2021 740th MeWhenI 🇻🇦 508 253 285ms 10 Feb 2023 741st garrisonhh 507 135 19ms 21 Nov 2020 741st Bonjour27891 🇻🇳 507 135 16ms 13 Mar 2022 741st jfallon1997 507 135 12ms 6 Sep 2022 744th MeWhenI 🇻🇦 507 194 137ms 11 Sep 2022 745th dokutan 506 143 10ms 5 Jun 2025 746th MeWhenI 🇻🇦 506 275 1,771ms 7 Nov 2025 747th forthuser 503 136 19ms 24 Jul 2023 747th mbittner20 503 136 11ms 19 Aug 2023 749th thisishowmymindworks 🇳🇴 502 144 10ms 5 Oct 2020 749th ArmaanAS 502 144 10ms 5 Feb 2021 751st hardlyBearable 500 137 11ms 25 May 2019 751st geofft 500 137 30ms 11 Dec 2020 751st charliegaming 500 137 14ms 4 Oct 2023 751st Alban-Boissard 500 137 12ms 14 Jun 2025 755th MeWhenI 🇻🇦 498 127 679ms 15 Sep 2025 756th dokutan 498 221 465ms 24 Sep 2025 757th detrumi 🇳🇱 497 126 606ms 24 Oct 2020 758th neel11235813 496 115 41ms 17 Mar 2023 759th skps2010 496 138 11ms 16 Jun 2019 759th amishtal 496 138 18ms 30 Nov 2019 761st msbranicky 495 199 125ms 3 Oct 2024 762nd Dominoscompute 495 210 39ms 20 Apr 2023 763rd janbehrens 🇩🇪 494 150 122ms 5 Aug 2021 764th retrohun 494 162 6ms 20 Jun 2019 765th yzhs 🇩🇪 493 139 18ms 29 Feb 2020 765th feherd 493 139 11ms 29 Aug 2021 767th janbehrens 🇩🇪 492 150 6ms 3 Jul 2023 768th boxjelly 492 164 147ms 27 Jan 2021 769th ei14 491 163 6ms 9 May 2024 770th HumanoidCPU 490 134 346ms 17 Feb 2025 771st Aurel300 🇨🇭 490 201 169ms 20 Jun 2024 772nd msrawson 489 140 12ms 28 Aug 2018 772nd decorator-factory 489 140 11ms 23 May 2019 772nd xkacer 🇨🇿 489 140 11ms 31 Jan 2021 772nd msbranicky 489 140 17ms 3 Oct 2024 776th LukeBridges 🇬🇧 489 148 11ms 23 May 2023 777th yzhs 🇩🇪 489 165 130ms 26 Jul 2021 778th roavin 488 166 336ms 8 Jul 2022 779th dokutan 487 194 6ms 28 Sep 2024 780th Psirving 486 141 12ms 1 Aug 2020 780th TheZwierzLF 🇵🇱 486 141 13ms 4 days ago 782nd Kibble 485 149 10ms 11 Jul 2020 782nd Maznek 485 149 11ms 12 Jun 2023 784th JDiLenarda 🇫🇷 485 167 359ms 20 Nov 2023 785th boxjelly 484 118 44ms 12 Feb 2021 786th msbranicky 484 186 11ms 3 Oct 2024 787th rak1507 🇬🇧 483 167 170ms 13 Feb 2021 788th yoshykai 483 228 388ms 8 Apr 2025 789th rvdnieuwendijk 🇳🇱 482 134 292ms 23 Jul 2020 789th Shanethegamer 🇺🇸 482 134 267ms 27 Apr 2022 789th IISResetMe 482 134 353ms 21 days ago 792nd Y0UR-U5ERNAME 482 142 13ms 4 Jul 2022 793rd DrPiranoid 482 166 6ms 14 Oct 2022 794th Attero 🇸🇪 481 229 379ms 15 May 2020 795th CaedenHarper 🇨🇦 481 267 295ms 3 Nov 2025 796th guliyevemil1 🇦🇿 480 168 146ms 16 Apr 2020 797th Jviscus1 479 143 40ms 24 Apr 2020 797th MaxElf999 479 143 11ms 3 Oct 2022 797th PaulMWeiser 479 143 437ms 4 Mar 2023 797th rsgray 479 143 11ms 24 Jan 2024 First Prev 721–800 of 1,628 Next Last